Ten minutes into oral arguments over whether or not homosexuals should be allowed to marry, the Supreme Court cut short legal proceedings Tuesday and ruled that gay marriage was “perfectly fine” and that the court could “care less who marries whom.” (Parody, but in a just world..?)

Just how constant is the speed of light in a vacuum? Well, that depends, according to new experiments. What does it matter? ‘c’ impacts many fields, and even the length of a meter is defined by this supposedly immutable constant.